Gigapans

Exposure of clast-rich Sykesville Formation metasedimentary rock in the westernmost point of Washington, DC, on the banks of the Potomac River, upstream from Chain Bridge and downstream of Little Falls Dam and Dalecarlia Spillway.

Exposure of clast-rich Sykesville Formation metasedimentary rock in the westernmost point of Washington, DC, on the banks of the Potomac River, upstream from Chain Bridge and downstream of Little Falls Dam and Dalecarlia Spillway.
Main joint face imaged here strikes 051° and dips at 47° to the southeast.

Exposure of clast-rich Sykesville Formation metasedimentary rock in the westernmost point of Washington, DC, on the banks of the Potomac River, upstream from Chain Bridge and downstream of Little Falls Dam and Dalecarlia Spillway.

Exposure of clast-rich Sykesville Formation metasedimentary rock in the westernmost point of Washington, DC, on the banks of the Potomac River, upstream from Chain Bridge and downstream of Little Falls Dam and Dalecarlia Spillway.
Main joint face imaged here strikes 051° and dips at 35° to the southeast.

Exposure of clast-rich Sykesville Formation metasedimentary rock in the westernmost point of Washington, DC, on the banks of the Potomac River, upstream from Chain Bridge and downstream of Little Falls Dam and Dalecarlia Spillway.
Main joint face imaged here strikes 081° and dips at 41° to the southeast.

Exposure of clast-rich Sykesville Formation metasedimentary rock in the westernmost point of Washington, DC, on the banks of the Potomac River, upstream from Chain Bridge and downstream of Little Falls Dam and Dalecarlia Spillway.
Main joint face imaged here strikes 075° and dips at 38° to the southeast.

A wide view of the several (8?) faults in the Silurian aged, carbonates, of the Tonoloway Formation. Along Corridor H (Route 48) facing south, east of Bismark, West Virginia.
You can see a close up of a few faults that I did here: gigapan.com/gigapans/174628
You can also see Callan Bentley's blog post about t...